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> I just wonder how our ancestors did it. Not only did they survive without plastic bottles, but they even survived the last 99.99% of biological history withou

> I just wonder how our ancestors did it. Not only did they survive without plastic bottles, but they even survived the last 99.99% of biological history without plumbing! the species survived without those things. plenty of individuals didn't.

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kgwgk 8y ago
Our ancestors definitely did, at least until puberty.
- mvid 8y ago
  Survivor bias isn't a great motivator for an individual
- 3chelon 8y ago
  @kgwgk Exactly, every single one of them survived until they could reproduce, which is no mean feat given the sheer number of individuals involved.